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APIS Clinic
Re-Diagnosis pathway
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Re-Diagnosis & Diagnostic Review

A fresh specialist perspective when a previous diagnosis no longer feels complete.

A diagnosis can bring clarity, validation and access to support. But sometimes, over time, people begin to wonder whether a previous diagnosis fully explains their experience.

You may feel that something was missed. You may feel that the original assessment was too brief. You may have changed since the diagnosis was made. Or you may be living with a label that no longer feels helpful, accurate or complete.

At APIS Clinic, our Re-Diagnosis pathway offers a careful, neutral and specialist review of previous ADHD, autism, AuDHD or mental health diagnoses. The aim is not to simply remove or replace a label. The aim is to understand your story properly and arrive at a clearer formulation.

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01Who it is for

What this pathway is for

This pathway may be helpful if:

  • You have a previous diagnosis but still feel unclear
  • Your diagnosis no longer seems to explain your current difficulties
  • You wonder whether ADHD, autism, AuDHD or another condition was missed
  • You feel your earlier assessment was too brief or checklist-based
  • You have overlapping symptoms such as anxiety, mood changes, sleep issues, fatigue or trauma
  • You want a clearer formulation before treatment, medication, workplace support or further therapy
  • You want a second opinion delivered in a careful and respectful way

02What it means

What Re-Diagnosis means at APIS

Re-Diagnosis does not mean we assume your previous diagnosis was wrong.

It means we look again.

We review the original diagnosis, your current difficulties, your developmental history, your functioning, your mental health, your physical health, your strengths, and the impact of symptoms across your life.

The outcome may be:

  1. 1. The previous diagnosis still fits

  2. 2. The previous diagnosis fits, but something else also needs recognising

  3. 3. A different formulation may explain the difficulties better

  4. 4. The diagnosis may no longer be the most helpful way to understand your needs

  5. 5. More information may be needed before a clear view can be reached

Swipe to see all five

This is a review process, not a predetermined conclusion.

03The review

What the review includes

Two-clinician review

Where appropriate, your case will be reviewed by two clinicians to bring a broader and more balanced specialist perspective.

Meticulous document review

We carefully review previous reports, letters, questionnaires, school or occupational information, medication history and relevant clinical records.

Objective tests where appropriate

Objective attention or cognitive measures may be used where clinically helpful. These do not replace clinical assessment, but they can add useful information.

Your narrative

We take time to listen to your story: what has helped, what has not helped, what still feels unexplained, and what you are hoping to understand.

Neutral stance

We do not start from the position that your diagnosis must be kept, changed or removed. We start from curiosity, clinical care and careful formulation.

Clear recommendations

You receive feedback and a written report explaining our clinical opinion, formulation and recommended next steps.

A good review asks:

  1. Step 1: When did the difficulties begin?
  2. Step 2: Were they present across different settings?
  3. Step 3: Have they changed over time?
  4. Step 4: What has helped or worsened them?
  5. Step 5: What else could explain the pattern?
  6. Step 6: What support is actually needed now?

04Careful formulation

Why a careful review matters

ADHD, autism and mental health symptoms can overlap. Difficulties with attention, restlessness, emotional regulation, motivation, sleep, sensory overload, fatigue and executive functioning can have different causes in different people.

For example, ADHD-like symptoms may also appear in anxiety, depression, trauma, sleep disorders, autism, substance use, hormonal changes, physical illness or periods of major stress. Some of these may co-exist with ADHD rather than replace it. This is why a careful review needs more than a quick checklist.

05Review process

The Re-Diagnosis pathway

  1. Step 1: Initial enquiryYou contact APIS Clinic and tell us what you would like reviewed.
  2. Step 2: Suitability callWe discuss your previous diagnosis, current concerns and what you are hoping to clarify.
  3. Step 3: Document collectionWe ask for previous reports, letters, questionnaires and relevant background information.
  4. Step 4: Pre-assessment work-upYou complete updated questionnaires and objective measures where appropriate.
  5. Step 5: Specialist re-assessmentA clinician takes time to explore your history, current difficulties, strengths, functioning and wider clinical context.
  6. Step 6: Two-clinician formulationWhere appropriate, your case is discussed by two clinicians to support balanced diagnostic thinking.
  7. Step 7: Feedback and reportWe explain our opinion clearly and provide a written report with formulation and recommendations.
  8. Step 8: Next stepsThis may include treatment planning, practical support, medication review, therapy recommendations, workplace or study adjustments, GP liaison or referral to another specialist service.

06To be clear

What this pathway is not

  • It is not an automatic removal of a diagnosis
  • It is not a guarantee of a new diagnosis
  • It is not an adversarial review of another clinician’s work
  • It is not a crisis or emergency mental health service
  • It is not a shortcut around full assessment where full assessment is needed

Re-Diagnosis: your questions answered

Does Re-Diagnosis mean my previous diagnosis was wrong?

No. Re-Diagnosis does not mean we assume your previous diagnosis was wrong. It means we look again, carefully and neutrally, at the original diagnosis, your current difficulties, your history and your functioning, and arrive at a clearer formulation.

What are the possible outcomes of a diagnostic review?

The previous diagnosis may still fit; it may fit but something else also needs recognising; a different formulation may explain the difficulties better; the diagnosis may no longer be the most helpful way to understand your needs; or more information may be needed. It is a review process, not a predetermined conclusion.

What documents do I need for a Re-Diagnosis review?

We ask for previous reports, letters, questionnaires, school or occupational information, medication history and any relevant clinical records. We then add updated questionnaires and objective measures where appropriate.

Is Re-Diagnosis a second opinion?

Yes, in the sense of a careful, respectful specialist review. It is not an adversarial review of another clinician’s work and it is not a crisis service or a shortcut around full assessment where full assessment is needed.

Ready to look again?

Tell us what you would like reviewed. We will explain whether the Re-Diagnosis pathway is the right fit during a suitability call.

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